Home / 25,312,413.78-34,931,115.81-13,709,973.78

Finding the Fourth Proportional to 25,312,413.78, 34,931,115.81 and 13,709,973.78

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Solution

The fourth proportional to 25,312,413.78, 34,931,115.81 and 13,709,973.78 is: 18,919,755.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,312,413.78 : 34,931,115.81 = 13,709,973.78 : x
  2. Step 2: Convert to fraction form
    25,312,413.78/34,931,115.81 = 13,709,973.78/x
  3. Step 3: Cross multiply
    25,312,413.78x = 34,931,115.81 × 13,709,973.78
  4. Step 4: Simplify right side
    25,312,413.78x = 478,904,681,861,243.50
  5. Step 5: Solve for x
    x = 478,904,681,861,243.50/25,312,413.78
  6. Step 6: Final answer
    x = 18,919,755.58

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.